I have been trying to replace my old Rheem 41-20804-15 thermostat with a Honeywell RTH6350D one. So far I have had no luck. I have a Goodman Heat Pump ( GSH130301BA ) along with a Goodman Air Handler (ARUF303016BA). I have hooked the wires up according to the manual, and cannot get anything to work. No fan, no ac, no heat. Please help!

p.s. I am not sure if this falls under DIY or not, if so...anyone around Columbus, Indiana area that can help? I would be glad to pay. Local companies have told me that they will not install a thermostat that I did not purchase from them. So....I'm stuck.